Contains the 4 springs required for the FGC9.
You will still need to source the steel, fasteners and barrel seperately to complete your build. Consider our full kits for an all-in-one solution.
AR-15 Buffer Spring
Mag Catch Spring
17 MM OD, 2mm WD, 90mm length Secondary Buffer Spring
Firing Pin Spring 4.5mm OD, 0.5mm WD, 10 mm Length
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